Cooper Falls is a small, quiet New Hampshire town, the kind you'd miss if you blinked an eye. But when darkness falls and the full moon rises, an uneasy feeling filters through the air; an unnerving foreboding that causes the skin to prickle and the body to tense.

Because faintly, from across the water, a low moaning howl begins to rise and a massive black shadow with burning green eyes stalks the night. It is part man, part beast—a victim of the past, a creature of evil—who hungers for flesh, thirsts for blood, and lives to kill... again and again and again...